html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
}

.clockWapper {
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 200px;
  padding: 20px 40px;
  border: 10px solid #000;
  border-radius: 50px;
  background-color: #bfa;
  display: flex;
}

.clkNums {
  width: 200px;
  line-height: 200px;
  text-align: center;
  font-size: 200px;
}